CN111719320A - Preparation method of matrix skeleton of flexible stab-resistant material - Google Patents
Preparation method of matrix skeleton of flexible stab-resistant material Download PDFInfo
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- CN111719320A CN111719320A CN202010550063.XA CN202010550063A CN111719320A CN 111719320 A CN111719320 A CN 111719320A CN 202010550063 A CN202010550063 A CN 202010550063A CN 111719320 A CN111719320 A CN 111719320A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N7/00—Flexible sheet materials not otherwise provided for, e.g. textile threads, filaments, yarns or tow, glued on macromolecular material
- D06N7/0092—Non-continuous polymer coating on the fibrous substrate, e.g. plastic dots on fabrics
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D1/00—Woven fabrics designed to make specified articles
- D03D1/0035—Protective fabrics
- D03D1/0041—Cut or abrasion resistant
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0006—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using woven fabrics
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0015—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0015—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk
- D06N3/0036—Polyester fibres
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0015—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk
- D06N3/0038—Polyolefin fibres
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2201/00—Chemical constitution of the fibres, threads or yarns
- D06N2201/08—Inorganic fibres
- D06N2201/085—Metal fibres
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/10—Properties of the materials having mechanical properties
- D06N2209/103—Resistant to mechanical forces, e.g. shock, impact, puncture, flexion, shear, compression, tear
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2211/00—Specially adapted uses
- D06N2211/10—Clothing
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2211/00—Specially adapted uses
- D06N2211/10—Clothing
- D06N2211/103—Gloves
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2501/00—Wearing apparel
- D10B2501/04—Outerwear; Protective garments
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2501/00—Wearing apparel
- D10B2501/04—Outerwear; Protective garments
- D10B2501/041—Gloves
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Woven Fabrics (AREA)
Abstract
The invention discloses a preparation method of a matrix skeleton of a flexible stab-resistant material, which comprises the steps of doubling and weakly twisting high-performance fiber filaments and ultrahigh molecular weight polyethylene filament bundles to form yarns; arranging flexible metal monofilaments and yarns alternately to form warps and wefts to prepare a two-dimensional woven network metal flexible fabric; uniformly coating a reagent prepared by mixing epoxy resin, a diluent and a curing agent on the surface of the mesh fabric to form three-dimensional resin small glue dots which are uniformly staggered and orderly arranged. The invention utilizes high-strength high-performance fiber to have better resistance to a stabbing knife, simplifies the self-locking principle of the chain armor into a metal grid structure, is applied to a flexible stabbing-proof material to form effective braking protection for the stabbing knife, reduces the weight compared with the traditional stabbing-proof clothes, and plays a role in changing the stabbing direction and energy loss of the knife through a three-dimensional glue point to the stabbing force; has the advantages of light weight, thin thickness, softness and comfort.
Description
Technical Field
The invention belongs to the technical field of textiles for safety protection for preventing mechanical impact injury, and relates to a preparation method of a matrix framework of a flexible stab-resistant material.
Background
The stab-resistant suit is a device which can effectively protect the attack of sharp instruments and sharp instruments on the protection part from different angles and reduce the threat of stabbing on the protection part of the human body. What plays a key role in stab-resistant clothing is a stab-resistant layer, which refers to an assembly of various types of structures that can block attacks from sharp instruments and play a main role in protecting human bodies. The stab-resistant armor made of metal materials is formed by a stab-resistant layer which is wholly or partially made of metal materials. The stab-resistant suit made of the nonmetal materials is a stab-resistant suit with a stab-resistant layer made of nonmetal materials. The stab-resistant armor originally adopts all-hard metal materials, for example, metals such as iron, steel, aluminum alloy and the like are processed into metal plates or metal inserts, and the stab-resistant armor is thick and heavy and does not have wearing comfort. The latter is gradually evolving into semi-flexible stab-resistant materials, which, although improved in terms of comfort, still have a large additional burden on the wearer in terms of thickness and weight, and thus the research on flexible stab-resistant materials is currently favored.
With the development of economy and society and the successive occurrence of various violent assaults and destruction events, the probability of injuries of police officers and the masses is increased, so that the safety protection consciousness of people is continuously enhanced, and the demand of stab-resistant products is increased day by day. Under the large background of implementation of the military and civil fusion strategy, high-performance fibers and technical innovation are continuously emerging, and the research atmosphere of the stab-resistant equipment material is active.
Disclosure of Invention
The invention aims to provide a preparation method of a matrix framework of a flexible stab-resistant material, which solves the problems of thick texture and poor wearing comfort of the existing stab-resistant clothing made of all-hard metal materials.
The invention adopts the technical scheme that the preparation method of the matrix skeleton of the flexible stab-resistant material comprises the following steps:
step 1: doubling and weakly twisting high-performance fiber filaments and ultrahigh molecular weight polyethylene filament bundles to form yarns, wherein the high-performance fiber filaments are at least one of high-strength polyester fiber filaments and high-strength polyamide fiber filaments;
step 2, arranging the flexible metal monofilaments and the yarns in the step 1 at intervals of 1:1 in the warp direction, and feeding weft yarns to the flexible metal monofilaments and the yarns in the step 1 at intervals of 1:1 in the weft direction during weaving to prepare a two-dimensional woven network metal flexible fabric; the flexible metal monofilaments and the yarns in the step 1 are mutually drawn through an interweaving structure to form a self-locking structure of a metal grid;
and step 3: mixing epoxy resin, a diluent and a curing agent to prepare a mixed solution as a reagent;
and 4, step 4: and (3) uniformly coating the reagent in the step (3) on the surface of the mesh fabric through a die to form three-dimensional resin small glue dots which are uniformly staggered and orderly arranged.
The present invention is also characterized in that,
the step 1 is as follows: and (3) combining the high-performance fiber filaments with the fineness of 75-150D and the ultrahigh molecular weight polyethylene filament bundle with the fineness of 800-1000D, and adding 7.5-11 twists/10 cm of weak twist to form the yarn.
Step 2, the diameter of the flexible metal monofilament is 0.1-0.5 mm, and the flexible metal monofilament contains Cr, Ni and Mo; the flexible fabric tightness is greater than 80%.
The volume percentage of the mixed solution in the step 3 is as follows: 50-70% of epoxy resin, 15-30% of diluent and 10-20% of curing agent, wherein the sum of the volume percentages of the components is 100%.
And 3, preparing epoxy resin, a diluent and a curing agent to form a mixed solution, uniformly stirring, and removing small bubbles in the mixed solution by adopting vacuumizing treatment to form a reagent.
And 4, uniformly coating the reagent on the surface of the mesh fabric through a mould, and drying in a vacuum oven at the temperature of 30-60 ℃ or airing in a natural state to form three-dimensional resin small glue dots which are uniformly staggered and orderly arranged.
Step 2, selecting 285 degrees for leveling time during weaving; the position of the pull rod is determined to be 4/4.5 grids, the rapier head enters the shed when the main shaft is 77 degrees, and the rapier head exits the shed when the main shaft is 185 degrees; the weft shearing time is 65-75 degrees.
The preparation method of the stab-resistant matrix skeleton is used for preparing the stab-resistant material.
The application of the puncture-proof matrix skeleton in the manufacture of puncture-proof clothes.
The stab-resistant clothing is used for stab-resistant protection of important parts in at least one of stab-resistant gloves, stab-resistant neckerchiefs, stab-resistant protection arms and stab-resistant waistcoats.
The invention has the beneficial effects that:
firstly, the invention utilizes high-strength high-performance fiber to have better resistance to a piercing cutter, simplifies the self-locking principle of the chain armor into a metal grid structure, is applied to the preparation of flexible piercing-proof materials, forms effective braking protection for the piercing cutter, reduces the weight compared with the traditional piercing-proof clothes, and plays a role in changing the piercing direction and energy loss of the cutter through a three-dimensional glue point to the piercing force.
Secondly, the invention can be used for the stab-resistant protection of at least one important part of stab-resistant gloves, stab-resistant neckerchief, stab-resistant guard arms and stab-resistant waistcoats, and has the advantages of light weight, thin thickness, softness and comfort compared with the traditional stab-resistant clothes.
Detailed Description
The present invention will be described in detail with reference to the following embodiments.
The invention relates to a preparation method of a matrix skeleton of a flexible stab-resistant material, which comprises the following steps:
step 1: doubling and weakly twisting high-performance fiber filaments and ultrahigh molecular weight polyethylene filament bundles to form yarns, wherein the high-performance fiber filaments are at least one of high-strength polyester fiber filaments and high-strength polyamide fiber filaments;
step 2, arranging the flexible metal monofilaments and the yarns in the step 1 at intervals of 1:1 in the warp direction, and feeding weft yarns to the flexible metal monofilaments and the yarns in the step 1 at intervals of 1:1 in the weft direction during weaving to prepare a two-dimensional woven network metal flexible fabric; the flexible metal monofilaments and the yarns in the step 1 are mutually drawn through an interweaving structure to form a self-locking structure of a metal grid;
and step 3: mixing epoxy resin, a diluent and a curing agent to prepare a mixed solution as a reagent;
and 4, step 4: and (3) uniformly coating the reagent in the step (3) on the surface of the mesh fabric through a die to form three-dimensional resin small glue dots which are uniformly staggered and orderly arranged.
The step 1 is as follows: and (3) combining the high-performance fiber filaments with the fineness of 75-150D and the ultrahigh molecular weight polyethylene filament bundle with the fineness of 800-1000D, and adding 7.5-11 twists/10 cm of weak twist to form the yarn.
Step 2, the diameter of the flexible metal monofilament is 0.1-0.5 mm, and the flexible metal monofilament contains Cr, Ni and Mo; the flexible fabric tightness is greater than 80%.
The volume percentage of the mixed solution in the step 3 is as follows: 50-70% of epoxy resin, 15-30% of diluent and 10-20% of curing agent, wherein the sum of the volume percentages of the components is 100%.
And 3, preparing epoxy resin, a diluent and a curing agent to form a mixed solution, uniformly stirring, and removing small bubbles in the mixed solution by adopting vacuumizing treatment to form a reagent.
And 4, uniformly coating the reagent on the surface of the mesh fabric through a mould, and drying in a vacuum oven at the temperature of 30-60 ℃ or airing in a natural state to form three-dimensional resin small glue dots which are uniformly staggered and orderly arranged.
Step 2, selecting 285 degrees for leveling time during weaving; the position of the pull rod is determined to be 4/4.5 grids, the rapier head enters the shed when the main shaft is 77 degrees, and the rapier head exits the shed when the main shaft is 185 degrees; the weft shearing time is 65-75 degrees.
The preparation method of the stab-resistant matrix skeleton is used for preparing the stab-resistant material.
The application of the puncture-proof matrix skeleton in the manufacture of puncture-proof clothes.
The stab-resistant clothing is used for stab-resistant protection of important parts in at least one of stab-resistant gloves, stab-resistant neckerchiefs, stab-resistant protection arms and stab-resistant waistcoats.
The ultra-high molecular weight polyethylene filament, the para-aramid fiber and the PBO fiber have the characteristics of high strength, good impact resistance, light weight and large specific energy absorption;
the high-strength polyester fiber filament has the characteristics of firmness, durability, corrosion resistance, stiffness, smoothness and good elasticity;
the high-strength polyamide fiber filament has the characteristics of high strength, excellent wear resistance and good rebound resilience;
the flexible metal monofilament has high strength and good flexibility, contains Cr, Ni and Mo,
a process method of three-dimensional resin glue dots prepared by epoxy resin, a diluent and a curing agent is adopted.
The invention will be further illustrated by the following examples
Example 1: preparation of Weak twist wrapped yarn
High-performance fiber filaments with the fineness of 75-150D and ultrahigh molecular weight polyethylene filament bundles with the fineness of 800-1000D are combined and added with weak twist of 7.5-11 twist/10 cm to form yarns, so that the deformation of the fiber filaments in the yarns is small, but balanced cohesive force can be formed, and the phenomenon of yarn hooking in the weaving process is prevented. The high-performance fiber filaments are at least one of high-strength polyester fiber filaments and high-strength polyamide fiber filaments, and are wrapped by ultrahigh molecular weight polyethylene filament bundles with the fineness of 800-1000D to form a stable wrapped yarn structure.
Example 2: preparation of mixed solution and resin glue dots
Epoxy resin, a diluent and a curing agent are mixed to form a mixed solution according to a certain proportion, the mixed solution is uniformly stirred, and small bubbles in the mixed solution are eliminated by adopting vacuumizing treatment to form a reagent. The vacuuming process is to obtain a bubble-free mixed reagent, which is better bonded and cured when proceeding to the next step, and prevents the glue dots from being broken under the external mechanical impact state. Wherein, the volume percentage of the mixed solution comprises 50-70 percent of epoxy resin, 15-30 percent of diluent and 10-20 percent of curing agent, and the sum of the volume percentages of the components is 100 percent.
Example 3: high-performance fiber filament and on-machine weaving method of metal fiber filament
The fiber raw materials adopted by the invention are all high-performance fibers, the fiber raw materials have different physical and mechanical properties, and the self impact damage resistance to external force is strong, so that the traditional on-machine weaving process is not suitable for weaving the product, the filament yarns are seriously fluffed and knotted, the filament yarns are entangled and cannot be normally opened, and the weaving is difficult.
In the weaving process, the invention uses the weaving process of the cord fabric for reference, simplifies the working procedures as much as possible to reduce the damage of the working procedures to the yarns, and the warping adopts a simulation method, the yarns in the step 1 directly pass through a domestic GE210 type tension control frame special for high-performance fibers, and the weaving of the two-dimensional woven network metal flexible fabric is completed by modifying a domestic GA747/II type rapier loom. According to the domestic GA747/II type rapier loom, weft insertion equipment is simplified, so that the yarns in the step 1 do not pass through a weft accumulator, and the yarns are directly unwound from a yarn drum through a plurality of groups of tension devices to complete weaving. The heald leveling time of the invention is 285 degrees, the clear opening in the weaving process is ensured, the position of the pull rod is determined to be 4/4.5 grid for increasing the opening stroke, the rapier head enters the shed when the main shaft is 77 degrees, and the rapier head exits the shed when the main shaft is 185 degrees, thereby ensuring the smaller extrusion degree of the yarn, reducing the damage of the yarn to the best, and the weft shearing time is 65-75 degrees to the best.
Example 4: a base skeleton design and a manufacturing method of a flexible stab-resistant material comprise the following specific steps:
the first step is as follows: and (3) combining the high-performance fiber filaments with the fineness of 75D and the ultrahigh molecular weight polyethylene filament bundle with the fineness of 800D, and adding 7.5 twists/10 cm of weak twist to form the yarn. The high-performance fiber filament is one of a high-strength polyester fiber filament and a high-strength polyamide fiber filament.
And a second step of arranging flexible metal monofilaments (containing Cr, Ni, Mo and the like) with the diameter of 0.2mm and the yarns in the first step at an interval of 1:1 during weaving in the warp direction. And feeding weft yarns at 1:1 intervals during weaving into a two-dimensional woven network metal flexible fabric by using flexible metal monofilaments (containing Cr, Ni, Mo and the like) with the diameter of 0.2mm and the yarns in the first step in the weft direction during weaving. The tightness of the stab-resistant flexible fabric is more than 80%, an interwoven network structure of metal monofilaments is formed, and the two materials are mutually drawn through the interwoven structure to form a self-locking structure of a metal grid. The puncture-proof principle is as follows: when the knife is inserted, the knife tip is clamped in the metal grid to form a brake.
The third step: epoxy resin, a diluent and a curing agent are mixed to form a mixed solution according to a certain proportion, the mixed solution is uniformly stirred, and small bubbles in the mixed solution are eliminated by adopting vacuumizing treatment to form a reagent. Wherein the volume percentage of the mixed solution comprises 70 percent of epoxy resin, 15 percent of diluent and 15 percent of curing agent, and the sum of the volume percentages of the components is 100 percent.
The fourth step: and uniformly coating the mixed solution in the third part on the surface of the mesh fabric through a mould, and then drying in a vacuum oven at the temperature of 50 ℃ or airing in a natural state to form three-dimensional resin small glue dots which are uniformly staggered and orderly arranged.
Example 5: a base skeleton design and a manufacturing method of a flexible stab-resistant material comprise the following specific steps:
the first step is as follows: high-performance fiber filaments with the fineness of 100D and ultrahigh molecular weight polyethylene filament bundles with the fineness of 1000D are subjected to weak twisting of 11 twists/10 cm to form yarns. The high-performance fiber filaments are high-strength polyamide fiber filaments.
And a second step of arranging flexible metal monofilaments (containing Cr, Ni, Mo and the like) with the diameter of 0.25mm and the yarns in the first step at an interval of 1:1 during weaving in the warp direction. And in the weft direction during weaving, feeding the flexible metal monofilaments (containing Cr, Ni, Mo and the like) with the diameter of 0.25mm and the yarns in the first step into weft yarns at intervals of 1:1 during weaving to prepare the two-dimensional woven network metal flexible fabric. The tightness of the stab-resistant flexible fabric is more than 80%, an interwoven network structure of metal monofilaments is formed, and the two materials are mutually drawn through the interwoven structure to form a self-locking structure of a metal grid. The puncture-proof principle is as follows: when the knife is inserted, the knife tip is clamped in the metal grid to form a brake.
The third step: epoxy resin, a diluent and a curing agent are mixed to form a mixed solution according to a certain proportion, the mixed solution is uniformly stirred, and small bubbles in the mixed solution are eliminated by adopting vacuumizing treatment to form a reagent. Wherein the volume percentage of the mixed solution comprises 70 percent of epoxy resin, 20 percent of diluent and 10 percent of curing agent, and the sum of the volume percentages of the components is 100 percent.
The fourth step: and uniformly coating the mixed solution in the third step on the surface of the mesh fabric through a mould, and then drying the mesh fabric in a vacuum oven at the temperature of 30 ℃ or airing the mesh fabric in a natural state to form three-dimensional resin small glue dots which are uniformly staggered and orderly arranged.
Example 6: a base skeleton design and a manufacturing method of a flexible stab-resistant material comprise the following specific steps:
the first step is as follows: and (3) mixing the high-performance fiber filaments with the fineness of 90D and the ultrahigh molecular weight polyethylene filament bundle with the fineness of 900D, and performing weak twisting of 11 twists/10 cm to form the yarn. The high-performance fiber filaments are high-strength polyamide fiber filaments.
And a second step of arranging flexible metal monofilaments (containing Cr, Ni, Mo and the like) with the diameter of 0.25mm and the yarns in the first step at an interval of 1:1 during weaving in the warp direction. And in the weft direction during weaving, feeding the flexible metal monofilaments (containing Cr, Ni, Mo and the like) with the diameter of 0.25mm and the yarns in the first step into weft yarns at intervals of 1:1 during weaving to prepare the two-dimensional woven network metal flexible fabric. The tightness of the stab-resistant flexible fabric is more than 80%, an interwoven network structure of metal monofilaments is formed, and the two materials are mutually drawn through the interwoven structure to form a self-locking structure of a metal grid. The puncture-proof principle is as follows: when the knife is inserted, the knife tip is clamped in the metal grid to form a brake.
The third step: epoxy resin, a diluent and a curing agent are mixed to form a mixed solution according to a certain proportion, the mixed solution is uniformly stirred, and small bubbles in the mixed solution are eliminated by adopting vacuumizing treatment to form a reagent. Wherein the volume percentage of the mixed solution comprises 50 percent of epoxy resin, 30 percent of diluent and 20 percent of curing agent, and the sum of the volume percentages of the components is 100 percent.
The fourth step: and uniformly coating the mixed solution in the third step on the surface of the mesh fabric through a mould, and then drying in a vacuum oven at the temperature of 60 ℃ or airing in a natural state to form three-dimensional resin small glue dots which are uniformly staggered and orderly arranged.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the ratio configuration and the fineness of the yarns may be varied, so as to enable those skilled in the art to understand the content of the present invention and implement the present invention accordingly, and not to limit the protection scope of the present invention accordingly. All equivalent changes or modifications made in accordance with the spirit of the present disclosure are intended to be covered by the scope of the present disclosure.
Claims (10)
1. A preparation method of a matrix skeleton of a flexible stab-resistant material is characterized by comprising the following steps:
step 1: doubling and weakly twisting high-performance fiber filaments and ultrahigh molecular weight polyethylene filament bundles to form yarns, wherein the high-performance fiber filaments are at least one of high-strength polyester fiber filaments and high-strength polyamide fiber filaments;
step 2, arranging the flexible metal monofilaments and the yarns in the step 1 at intervals of 1:1 in the warp direction, and feeding weft yarns to the flexible metal monofilaments and the yarns in the step 1 at intervals of 1:1 in the weft direction during weaving to prepare a two-dimensional woven network metal flexible fabric; the flexible metal monofilaments and the yarns in the step 1 are mutually drawn through an interweaving structure to form a self-locking structure of a metal grid;
and step 3: mixing epoxy resin, a diluent and a curing agent to prepare a mixed solution as a reagent;
and 4, step 4: and (3) uniformly coating the reagent in the step (3) on the surface of the mesh fabric through a die to form three-dimensional resin small glue dots which are uniformly staggered and orderly arranged.
2. The preparation method of the matrix skeleton of the flexible stab-resistant material according to claim 1, wherein the step 1 comprises the following steps: and (3) combining the high-performance fiber filaments with the fineness of 75-150D and the ultrahigh molecular weight polyethylene filament bundle with the fineness of 800-1000D, and adding 7.5-11 twists/10 cm of weak twist to form the yarn.
3. The method for preparing the matrix skeleton of the flexible stab-resistant material according to claim 1, wherein the diameter of the flexible metal monofilament in the step 2 is 0.1-0.5 mm, and the flexible metal monofilament comprises a mixture of Cr, Ni and Mo; the flexible fabric tightness is greater than 80%.
4. The method for preparing the matrix skeleton of the flexible stab-resistant material according to claim 3, wherein the volume percentage of the mixed solution in the step 3 is as follows: 50-70% of epoxy resin, 15-30% of diluent and 10-20% of curing agent, wherein the sum of the volume percentages of the components is 100%.
5. The method for preparing the matrix skeleton of the flexible stab-resistant material according to claim 4, wherein in the step 3, the epoxy resin, the diluent and the curing agent are prepared to form a mixed solution, the mixed solution is uniformly stirred, and the small bubbles in the mixed solution are eliminated by adopting a vacuum-pumping treatment to form the reagent.
6. The method for preparing the matrix skeleton of the flexible stab-resistant material according to claim 4, wherein the reagent in the step 4 is uniformly coated on the surface of the mesh fabric through a mold, and then dried in a vacuum oven at a temperature of 30-60 ℃ or dried in a natural state to form three-dimensional resin small glue dots which are uniformly staggered and orderly arranged.
7. The method for preparing a matrix skeleton of a flexible stab-resistant material as claimed in claim 1, wherein a heddle leveling time in the weaving in the step 2 is 285 °; the position of the pull rod is determined to be 4/4.5 grids, the rapier head enters the shed when the main shaft is 77 degrees, and the rapier head exits the shed when the main shaft is 185 degrees; the weft shearing time is 65-75 degrees.
8. A stab-resistant material prepared by a method for preparing a matrix skeleton of the stab-resistant material according to any one of claims 1 to 7.
9. Use of a stab-resistant material as claimed in claim 8 for the manufacture of stab-resistant garments.
10. Use of a stab-resistant material according to claim 9 for the manufacture of stab-resistant garments, wherein said stab-resistant garments are stab-resistant protections for vital parts of at least one of stab-resistant gloves, stab-resistant neckerchiefs, stab-resistant armrests and stab-resistant vests.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010550063.XA CN111719320A (en) | 2020-06-16 | 2020-06-16 | Preparation method of matrix skeleton of flexible stab-resistant material |
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| CN202010550063.XA CN111719320A (en) | 2020-06-16 | 2020-06-16 | Preparation method of matrix skeleton of flexible stab-resistant material |
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Cited By (1)
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| CN114703678A (en) * | 2022-03-23 | 2022-07-05 | 南通大学 | Wear-resistant and scratch-resistant fabric and forming method thereof |
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